What is the best way to waterproof my jacket?? i have had it for about 5 years and i love it, very warm and its the old style camo that i like, but i get a little wet sometimes... it leaks at te seams mainly but it will go right through sometimes.. any suggections?

"If you have to be crazy to be a duck hunter, i dont wish to be sane" Robert Ruark

Its always duck season, there is just a long break from february to september.